00000nam 2200000za 4500 9.696476 CaOODSP 20250205142331 cr ||||||||||| 150407|2012||||xxc|||||o f|0| 0 eng d 978-1-100-21027-8 CaOODSP eng n-cn--- En4-144/46-2012E-PDF Canada. Environment Canada. Data sources and methods for the phosphorus levels in the Great Lakes indicator [electronic resource] Canadian Environmental Sustainability Indicators [July 2012 edition]. Ottawa - Ontario : Environment Canada July 2012. 7p. references, table 12-31 2012-08-03 Sources de données et méthodes de l'indicateur sur les concentrations de phosphore dans les Grands Lacs (CaOODSP)9.640591 Canadian environmental sustainability indicators [May 2017 edition] (CaOODSP)9.830481 PDF 106 KB https://publications.gc.ca/collections/collection_2012/ec/En4-144-46-2012-eng.pdf